If you like stand-up comedy, there is Comedy aus dem Labor. It is like a showcase of comedians from German-speaking countries. They tend to be Swiss though, so it can be difficult to understand at times.

Have you considered wearing a chemise? It's basically a silk tank top. If you wear a flesh-toned chemise under a semi-transluscent blouse, it will camoflauge your bra and keep you warm without impeding the style of the blouse.